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Oil Furnace Heating Practice Tests Exam Questions and Answers

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1. Question 1 points Fuel Pump fail to prime when Suction inlet vacuum is greater than _______ of vacuum 20 inches 30 inches 15 inches 25 inches - ANSWER-15 inches Which of the following is used to ignite the fuel oil in the heating system: Step down transformer Step up transformer - ANSWER-Step up transformer Air enters the heating system in following order: from combustion chamber, to turbulator, to draft tube from draft tube, to turbulator, to combustion chamber...

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Oil burner test Exam Questions and Answers 100% Accurate

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Number 2 oil has what btu's - ANSWER-140,000 Which fuel oil has the lowest viscosity - ANSWER-#1 Fuel oil is made up of mostly - ANSWER-Hydrogen/carbon Flash point of #2 fuel oil is - ANSWER-115 degrees Combustion triangle - ANSWER-oxygen, heat, fuel vent pipes must be atleast ______ feet above or _______ feet below any window or door. they must also be _____ get away from property line to prevent sewer gas from drifting to neighbors house - ANSWER-3 feet above or 5 feet below do...

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Oil burner test Exam Questions and Answers Latest Update

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What is the largest exposed tank allowed in a building without a permit - ANSWER-660 g What is tank approval - ANSWER-UL 80 UL 142 A supply tank shall be securely supported by ridged, non-combustible supports to prevent settling, sliding or lifting. true or false - ANSWER-True What is the largest amount of oil that can be stored with exposed tanks? - ANSWER-1320 g What is the closest distance a supply tank can be to the burner - ANSWER-5 ft What is the gauge of a 275 g above groun...

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oil burner final Exam 100% Solved

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What are 2 ways the fuel flow rate is set on an oil burner? - ANSWER-Nozzle, size and oil pressure. List three things needed for ignition? - ANSWER-Fuel, air and spark. Flame Retention Burners have what advantage over Non Flame Retention? - ANSWER-Better air to oil mixture and cleaner burning. Flame Retention Burners work on _ pressure? - ANSWER-High Static pressure. Why is it important to keep Burner motor fan clean? - ANSWER-Keep proper airflow. How do you adjust air on a Fixed ...

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Massachusetts Oil burner Practice Exam Questions & Answers 100% Verified

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The cross connection between two supply tanks shall not exceed? - ANSWER-660 gallons When is an automatic draft control not required? - ANSWER-When the equipment is designed to control the draft. Combustion performance testing can indicate: - ANSWER-Improper air oil mixture, too much combustion air, and low pump pressure. If a second oil-burning appliance is installed in a single chimney, you must insure: - ANSWER-Sufficient draft is available for safe operation of all connected equipme...

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oil burner Exam Questions & Answers 100% Accurate

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oil burner motor - ANSWER-spins at 1725 rpm and rotates the fuel pump and coupling coupling - ANSWER-the connection between the fuel pump and oil burner motor housing - ANSWER-encases the burner and all of its components in the heating unit fuel line - ANSWER-a line meant for the passing of fuel from the fuel pump to the burner nozzle - ANSWER-oil is forced through the nozzle which cause atomization patterning and metering cad cell - ANSWER-a flame proving device that senses light...

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Oil burner test Exam Questions With Rationales Answers

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A fuel oil storage tank cannot be installed: - ANSWER-In the furnace room 5 feet within heating unit What temperature does a thermal wheel automatically activate at - ANSWER-165°F Who inspects an oil burner installation - ANSWER-State fire marshal Any valve used on a oil burner install must be: - ANSWER-Fusible valve What form is used to pull an oil burner permit - ANSWER-CMR.4 What size pipe is used to CrossConnect tank outlet piping - ANSWER-1/2 inch When is an oil safety va...

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Oil burner License Study Guide ( Massachusetts ) Exam With Complete Solutions!!

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What are the 3 funtions of an Oil Burner nozzle? - ANSWER-Atomize, Meter, Patter. What are the 2 voltage circuits of a primary control? - ANSWER-Line & Low. What is the function of a fuse? - ANSWER-Protect circuit. What is the High Limit cut out? - ANSWER-Max safe Temp or Pressure setting. What is the High Limit cut in? - ANSWER-Cut out minus Differential. What is the "Max" Lockout time for a burner with a 3 GPH Flow Rate? - ANSWER-45 Seconds. What is the minimum stack temper...

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Oil burner test Exam Questions & Answers Graded A+

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Max safety timing on a primary control - ANSWER-15 seconds Safety control circuits shall be - ANSWER-2-wire, one side grounded, with nominal voltage not exceeding 150v Crankcase/used oil may only be used in - ANSWER-Commercial/industrial setting. Or in a appliance specifically designed to do so. Oil burning appliance shall be how far from electrical panel and oil tank - ANSWER-3 feet from panel, 5 feet from tank Flue gas exit of a chimney shall be Atleast - ANSWER-3 feet above highes...

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Oil Burners license test Exam Questions & Answers Rated A+

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The main function of the primary control is: - ANSWER-Locking out on safety in the event of flame failure Power must be provided to an electric blower control board on terminals: - ANSWER-L1 and L2 Once a PSC motor starts - ANSWER-The centrifugal switch turns off the electricity to the capacitor and the start windings Materials who's electrons are so loosely bound that they can be persuaded to move with very little pressure allowing electricity to flow are called - ANSWER-Conductors ...

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